September 17, 2018:Prevalence of Cannabis Use in Electronic Cigarettes Among US Youth Shifts in social acceptability and access to cannabis could occur as several states consider legalized cannabis sales for adults. The National Academies of Sciences has found cannabis use among youth can adversely affect learning and memory and may impair later academic achievement and education. Thus, strategies to reduce cannabis use in e-cigarettes are critical for protecting young people from these potential health risks.